Filter for cisterns.



G. C. FIPIELD.

FILTER FOR UISTERNS.

APPLIGATION FILED JUNE 4, 1909.

9 Q 1 8 o Patented Feb. 22, 1910.

Ammzw a GRAHAM coy. PHOTO-UTNUGHAPHERS. WASHINGYON, 11c

@NTTED STATES PATJEZN T FFTQ.

CHESTER C. FIEIELD, OF GRAND JUNCTIQN, IOWA.

FILTER FOR CISTERNS.

To all whom it may concern:

Be it known that I, CHESTER C. FIFIELD, a citizen of the United States,residing at Grand Junction, in the county of Greene and State of Iowa,have invented a new and useful Filter for Cisterns, of which thefollowing is a specification.

The object of this invention is to provide an improved construction forremovable and replaceablecistern filters.

A further object of this invention is to provide improved means foremptying and charging a filter with filtering material, such ascharcoal.

My invention consists in the construction, arrangement and combinationof elements hereinafter set forth, pointed out in my claims andillustrated by the accompanying drawing, in which Figure 1 is a verticalsection of the filter detached from a cistern. Fig. 2 is an elevation,partly in section, showing my improved filter mounted in a cistern.

In the construction of the filter as shown the numeral 10 designates avessel, preferably open at its top, circular in cross-section, andformed with a funnel-shaped bottom 11 terminating in an open neck 12interiorly threaded. A jar or container 13, preferably formed of glassand having a restricted open neck exteriorly threaded, is screwed intothe open neck 12 of the vessel 10. A pipe 14lis arranged outside of andfixed to the vessel 10 and extends longitudinally thereof. The lower endportion of the pipe 14: is bent inwardly and communicates through anopening in and is sealed to the funnel portion 11 of the vessel 10. Acircular screen 15 is mounted in and extends across the vessel 10 and issupported loosely on a spider 15 formed of crossed rods loosely mountedin the vessel and resting on the funnelshaped portion 11 thereof. Acircular screen 16 is mounted loosely, removably and replaceably in andextends across the vessel 10 and is spaced from the screen 15. The spacebetween the screens 15, 16 is adapted to be filled with filteringmaterial, such as comminuted charcoal. A discharge pipe 17 is mounted inand extends laterally from an opening in the vessel 10 above the screen16 and said pipe is sealed to said vessel. A relief pipe 18 is mountedin and extends obliquely downward from an opening in the funnel-shapedportion 11 and is sealed to said portion. The relief pipe 18 normallySpecification of Letters Patent.

Application filed June 4, 1909.

Patented Feb. 22, 1919.

Serial No. 500,785.

is closed by a screw cap 18 A bail 19 is hinged in a common manner toand arches across the open upper end of the vessel 10.

In practical use the parts are assembled as shown in Fig. 1 and thenmounted in a cistern 20 as shown in Fig. 2. lVhen so mounted the pipe14; receives and communicates with a service pipe 21 at its upper endand the bail 19 is supported by a hanger 22 to a cross bar 23 mountedtransversely of the neck of the cistern 20. ater is conveyed through thepipe 21 from a source of supply such as the rain water pipes and spoutsof a building, and is conveyed by the pipe 14 to the funnel l1.Sediment, such as gravel, leaves and trash settles by gravity from thefunnel 11 into the jar or container 13. The water rises through thescreen 15, filter material, and screen 16 and flows out of the vessel 10into the cistern 20 through the pipe 17.

The device can be removed from the cis tern by manipulation of thehanger 22, which is first detached from the bar 23 and lowered torelease the pipe 14 from the pipe 21 and then is lifted intact out ofthe cistern. When the filter has been removed from the cistern the cap18 may be unscrewed and the water emptied from the filter through therelief pipe 18. Then the jar or container 13 may be unscrewed andemptied and cleansed. Then the screen 16 may be removed from the filterand the filtering material may be removed and thrown away or cleansed.At the same time the screen 15 and spider l5 may be removed and cleansedand the funnel 11 may be cleansed. Then the spider 15 and screen 15 maybe replaced, new or clean filtering material may be placed on thescreen, the screen 16 be replaced, the cap 18 be replaced, the jar 13 bereplaced, and then the entire device be suspended again in the cistern20 as shown in Fig. 2.

An examination of the jar 13 may be made, without removing the devicefrom the cistern, for the purpose of determining the quantity ofsediment contained therein, because of the transparent characteristic ofsaid jar. Thus the jar may be employed as an index of the time forcleansing the filter or changing the filtering material therein.

I claim as my invention- 1. A filter adapted to be suspended in andremovable and replaceable relative to a cistern having a supply pipe,which filter consists of a vessel open at its top, a bail hinged to theopen top of the vessel, a hanger engaging said bail, a support engagingsaid hanger and adapted to be carried by the cistern, an entrance pipecommunicating with the lower portion of said vessel and adapted tocommunicate with the supply pipe of the cistern and telescope thereon, aspider transversely of the lower portion of said vessel above the lowerend of said entrance pipe, a screen loosely mounted on said spider, ascreen supported within and transversely of the vessel above and spacedfrom the first screen, a discharge pipe leading laterally from thevessel above the upper screen, a relief pipe communicating with thelower portion of the vessel, and a sediment jar screwed to and dependingaxially of said vessel.

2. A filter adapted to be suspended in and removable and replaceablerelative to a cistern having a supply pipe, which filter consists of avessel open at its top, said vessel formed with a funnel-shaped lowerend portion, a bail hinged to the open top of the vessel, a hangerengaging said bail, a support engaging said hanger and adapted to becarried by the cistern, an entrance pipe communicating with the lowerportion of said vessel and adapted to communicate with the supply pipeof the cistern and loosely telescope thereon, a spider transversely ofthe lower portion of said vessel above the lower end of said entrancepipe and supported by said funnel shaped portion of the vessel, a screenloosely mounted on said spider, a screen supported within andtransversely of the vessel above and spaced from the first screen, adischarge pipe leading laterally from the vessel above the upper screen,a relief pipe communicating with the lower portion of the vessel, and

axially of said vessel.

CHESTER G. FIFIELD.

Witnesses H. ADAMS,

LUELLA WELSCH.

a sediment jar screwed to and depending"

